Re: [Xen-devel] VIF setup

[Jan Kundrát <jan.kundrat@xxxxxx>]

Derrik Pates wrote:
> Ronald G. Minnich wrote:
>
> > Am I the only person who sees this as a tad odd? I can't escape 
> > thinking about a real bridge. Seems to me each eth or vif you add to a 
> > bridge should retain its IP and the bridge, basically being a device 
> > that does mac-layer routing, has no IP. 
>
> No, because the IP(s) assigned to a device cause the device to only 
> accept packets destinde for it; when the IP is 0.0.0.0, the interface 
> goes into promiscuous mode, and so it accepts all packets, whether 
> destined for it or not. Then, the bridge device enslaves all the 
> interfaces, and transports the packets among the participant interfaces.
Isn't promisciuous mode L2 based? If you do `ifconfig eth0 promisc`, 
it'll pass all packets, even those having foreign destination MAC 
address, to upper layers, AFAIK.
-jkt

--
cd /local/pub && more beer > /dev/mouth



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